... manufacturers and suppliers, welcome to buy cheap hollow core particle board, hollow core chipboard, tubular chipboard from our factory. Specification ... ,E2 glue Core:poplar or pine Application:Door core,furniture and laminated use Products: Hollow core particle board/hollow core chipboard Size ... 370-400kgs/cbm Hole diameter 21-28mm Usage Door core use,decorative,partition wall stuffing etc Packing ...